This is a question and answer I found on chabad.org
Do We Say a Blessing for the Solar Eclipse? – Chabad.org
https://www.chabad.org/library/article_cdo/aid/3727131/jewish/Do-We-Say-a-Blessing-for-the-Solar-Eclipse.htm
By Yehuda Shurpin
https://www.chabad.org/search/keyword_cdo/kid/15169/jewish/Yehuda-Shurpin.htm